From e915feb1602a7d88c39623da055fe68af422d27c Mon Sep 17 00:00:00 2001
From: "David A. Madore" <david+git@madore.org>
Date: Sun, 5 Oct 2014 01:13:30 +0200
Subject: Introduce at least a semblance of thread-safety.

---
 org/madore/damlengine/DamlEngine.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'org/madore/damlengine/DamlEngine.java')

diff --git a/org/madore/damlengine/DamlEngine.java b/org/madore/damlengine/DamlEngine.java
index 9ac0c08..cffd589 100644
--- a/org/madore/damlengine/DamlEngine.java
+++ b/org/madore/damlengine/DamlEngine.java
@@ -81,8 +81,10 @@ public final class DamlEngine {
     }
 
     public static final class IncantDOM {
-	static DOMImplementation domi;
+	static ThreadLocal<DOMImplementation> pdomi
+	    = new ThreadLocal<DOMImplementation>();
 	public static DOMImplementation getDOMI() {
+	    DOMImplementation domi = pdomi.get();
 	    if ( domi == null ) {
 		DOMImplementationSource source
 		    = new DOMImplementationSourceImpl();
@@ -90,6 +92,7 @@ public final class DamlEngine {
 		if ( domi == null )
 		    throw new MissingResourceException("failed to obtain DOM implementation",
 						       "org.w3c.dom.ls.DOMImplementationLS", "");
+		pdomi.set(domi);
 	    }
 	    return domi;
 	}
-- 
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